Butterfly chair



FIG. 1 is a front-right perspective view of a butterfly chair accordingto a first embodiment showing my new design;

FIG. 2 is a front perspective view of the butterfly chair according tothe first embodiment showing my new design;

FIG. 3 is a left side perspective view of the butterfly chair accordingto the first embodiment showing my new design;

FIG. 4 is a rear perspective view of the butterfly chair according tothe first embodiment showing my new design;

FIG. 5 is a top view of the butterfly chair according to the firstembodiment showing my new design;

FIG. 6 is a front-right perspective view of a butterfly chair accordingto a second embodiment showing my new design;

FIG. 7 is a front perspective view of the butterfly chair according tothe second embodiment showing my new design;

FIG. 8 is a rear perspective view of the butterfly chair according tothe second embodiment showing my new design; and,

FIG. 9 is a top view of the butterfly chair according to the secondembodiment showing my new design.

CLAIM The ornamental design for a butterfly chair, as shown anddescribed.